Java Code Examples for com.ruoyi.common.utils.StringUtils#isNotEmpty()

/**
 * 表名转换成Java类名
 */
public static String tableToJava(String tableName)
{
    String autoRemovePre = Global.getAutoRemovePre();
    String tablePrefix = Global.getTablePrefix();
    //多种前缀
    if(tablePrefix.indexOf(",")>0){
        String[] prefixes = StrUtil.splitToArray(tablePrefix,',');
        for(String _prefix : prefixes){
            if(!StrUtil.isEmpty(_prefix)){
                tableName = tableName.replaceFirst(_prefix, "");
            }
        }
    }else {
        if (Constants.AUTO_REOMVE_PRE.equals(autoRemovePre) && StringUtils.isNotEmpty(tablePrefix)) {
            tableName = tableName.replaceFirst(tablePrefix, "");
        }
    }
    return StringUtils.convertToCamelCase(tableName);
}
 

@Override
public void init(FilterConfig filterConfig) throws ServletException
{
    String tempExcludes = filterConfig.getInitParameter("excludes");
    String tempEnabled = filterConfig.getInitParameter("enabled");
    if (StringUtils.isNotEmpty(tempExcludes))
    {
        String[] url = tempExcludes.split(",");
        for (int i = 0; url != null && i < url.length; i++)
        {
            excludes.add(url[i]);
        }
    }
    if (StringUtils.isNotEmpty(tempEnabled))
    {
        enabled = Boolean.valueOf(tempEnabled);
    }
}
 

@Log(title = "重置密码", businessType = BusinessType.UPDATE)
@PostMapping("/resetPwd")
@ResponseBody
public AjaxResult resetPwd(String oldPassword, String newPassword)
{
    SysUser user = ShiroUtils.getSysUser();
    if (StringUtils.isNotEmpty(newPassword) && passwordService.matches(user, oldPassword))
    {
        user.setSalt(ShiroUtils.randomSalt());
        user.setPassword(passwordService.encryptPassword(user.getLoginName(), newPassword, user.getSalt()));
        if (userService.resetUserPwd(user) > 0)
        {
            ShiroUtils.setSysUser(userService.selectUserById(user.getUserId()));
            return success();
        }
        return error();
    }
    else
    {
        return error("修改密码失败，旧密码错误");
    }
}
 

/**
 * 获取bean中的属性值
 * 
 * @param vo 实体对象
 * @param field 字段
 * @param excel 注解
 * @return 最终的属性值
 * @throws Exception
 */
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
{
    Object o = field.get(vo);
    if (StringUtils.isNotEmpty(excel.targetAttr()))
    {
        String target = excel.targetAttr();
        if (target.indexOf(".") > -1)
        {
            String[] targets = target.split("[.]");
            for (String name : targets)
            {
                o = getValue(o, name);
            }
        }
        else
        {
            o = getValue(o, target);
        }
    }
    return o;
}
 

/**
 * 获取用户身份信息
 * 
 * @return 用户信息
 */
public LoginUser getLoginUser(HttpServletRequest request)
{
    // 获取请求携带的令牌
    String token = getToken(request);
    if (StringUtils.isNotEmpty(token))
    {
        Claims claims = parseToken(token);
        // 解析对应的权限以及用户信息
        String uuid = (String) claims.get(Constants.LOGIN_USER_KEY);
        String userKey = getTokenKey(uuid);
        LoginUser user = redisCache.getCacheObject(userKey);
        return user;
    }
    return null;
}
 

/**
 * 查询用户所属角色组
 * 
 * @param userId 用户ID
 * @return 结果
 */
@Override
public String selectUserRoleGroup(Long userId)
{
    List<SysRole> list = roleMapper.selectRolesByUserId(userId);
    StringBuffer idsStr = new StringBuffer();
    for (SysRole role : list)
    {
        idsStr.append(role.getRoleName()).append(",");
    }
    if (StringUtils.isNotEmpty(idsStr.toString()))
    {
        return idsStr.substring(0, idsStr.length() - 1);
    }
    return idsStr.toString();
}
 

public String readConverterExp()
{
    String remarks = StringUtils.substringBetween(this.columnComment, "（", "）");
    StringBuffer sb = new StringBuffer();
    if (StringUtils.isNotEmpty(remarks))
    {
        for (String value : remarks.split(" "))
        {
            if (StringUtils.isNotEmpty(value))
            {
                Object startStr = value.subSequence(0, 1);
                String endStr = value.substring(1);
                sb.append("").append(startStr).append("=").append(endStr).append(",");
            }
        }
        return sb.deleteCharAt(sb.length() - 1).toString();
    }
    else
    {
        return this.columnComment;
    }
}
 

/**
 * 查询用户所属角色组
 * 
 * @param userId 用户ID
 * @return 结果
 */
@Override
public String selectUserRoleGroup(Long userId)
{
    List<SysRole> list = roleMapper.selectRolesByUserId(userId);
    StringBuffer idsStr = new StringBuffer();
    for (SysRole role : list)
    {
        idsStr.append(role.getRoleName()).append(",");
    }
    if (StringUtils.isNotEmpty(idsStr.toString()))
    {
        return idsStr.substring(0, idsStr.length() - 1);
    }
    return idsStr.toString();
}
 

/**
 * 创建表格样式
 */
public void setDataValidation(Excel attr, Row row, int column)
{
    if (attr.name().indexOf("注：") >= 0)
    {
        sheet.setColumnWidth(column, 6000);
    }
    else
    {
        // 设置列宽
        sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
        row.setHeight((short) (attr.height() * 20));
    }
    // 如果设置了提示信息则鼠标放上去提示.
    if (StringUtils.isNotEmpty(attr.prompt()))
    {
        // 这里默认设了2-101列提示.
        setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
    }
    // 如果设置了combo属性则本列只能选择不能输入
    if (attr.combo().length > 0)
    {
        // 这里默认设了2-101列只能选择不能输入.
        setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
    }
}
 

public Date getNextValidTime()
{
    if (StringUtils.isNotEmpty(cronExpression))
    {
        return CronUtils.getNextExecution(cronExpression);
    }
    return null;
}
 

/**
 * 以类的属性的get方法方法形式获取值
 * 
 * @param o
 * @param name
 * @return value
 * @throws Exception
 */
private Object getValue(Object o, String name) throws Exception
{
    if (StringUtils.isNotEmpty(name))
    {
        Class<?> clazz = o.getClass();
        String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
        Method method = clazz.getMethod(methodName);
        o = method.invoke(o);
    }
    return o;
}
 

/**
 * 检查字符，防止注入绕过
 */
public static String escapeOrderBySql(String value)
{
    if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
    {
        return StringUtils.EMPTY;
    }
    return value;
}
 

public static void dumpYaml(String fileName, Map<?, ?> map) throws IOException
{
    if (StringUtils.isNotEmpty(fileName))
    {
        FileWriter fileWriter = new FileWriter(YamlUtil.class.getResource(fileName).getFile());
        DumperOptions options = new DumperOptions();
        options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
        Yaml yaml = new Yaml(options);
        yaml.dump(map, fileWriter);
    }
}
 

/**
 * 检查字符，防止注入绕过
 */
public static String escapeOrderBySql(String value)
{
    if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
    {
        return StringUtils.EMPTY;
    }
    return value;
}
 

/**
 * 查询系统所有权限
 * 
 * @return 权限列表
 */
@Override
public LinkedHashMap<String, String> selectPermsAll(Long userId)
{
    LinkedHashMap<String, String> section = new LinkedHashMap<>();
    List<SysMenu> permissions = selectMenuAll(userId);
    if (StringUtils.isNotEmpty(permissions))
    {
        for (SysMenu menu : permissions)
        {
            section.put(menu.getUrl(), MessageFormat.format(PREMISSION_STRING, menu.getPerms()));
        }
    }
    return section;
}
 

/**
 * 根据用户ID查询权限
 * 
 * @param userId 用户ID
 * @return 权限列表
 */
@Override
public Set<String> selectMenuPermsByUserId(Long userId)
{
    List<String> perms = menuMapper.selectMenuPermsByUserId(userId);
    Set<String> permsSet = new HashSet<>();
    for (String perm : perms)
    {
        if (StringUtils.isNotEmpty(perm))
        {
            permsSet.addAll(Arrays.asList(perm.trim().split(",")));
        }
    }
    return permsSet;
}
 

@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
public Date getNextValidTime()
{
    if (StringUtils.isNotEmpty(cronExpression))
    {
        return CronUtils.getNextExecution(cronExpression);
    }
    return null;
}
 

/**
 * 退出跳转URL
 */
@Override
protected String getRedirectUrl(ServletRequest request, ServletResponse response, Subject subject)
{
    String url = getLoginUrl();
    if (StringUtils.isNotEmpty(url))
    {
        return url;
    }
    return super.getRedirectUrl(request, response, subject);
}
 

/**
 * 以类的属性的get方法方法形式获取值
 * 
 * @param o
 * @param name
 * @return value
 * @throws Exception
 */
private Object getValue(Object o, String name) throws Exception
{
    if (StringUtils.isNotEmpty(name))
    {
        Class<?> clazz = o.getClass();
        String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
        Method method = clazz.getMethod(methodName);
        o = method.invoke(o);
    }
    return o;
}
 

public static Map<?, ?> loadYaml(String fileName) throws FileNotFoundException
{
    InputStream in = YamlUtil.class.getClassLoader().getResourceAsStream(fileName);
    if(in == null) return null;
    return StringUtils.isNotEmpty(fileName) ? (LinkedHashMap<?, ?>) new Yaml().load(in) : null;
}